420666142 Ignition Coil for Sea-Doo Wake STD 155 1503 2017 Model

Ignition Coil for Sea-Doo

This ignition coil replaces OEM 420666142 and delivers the high-voltage spark needed to keep your Sea-Doo engine firing reliably.

Overview

This ignition coil is a direct-fit replacement for the factory part on select Sea-Doo personal watercraft. It steps up battery voltage to fire the spark plugs, supporting clean combustion and consistent power. It suits riders maintaining a Sea-Doo Wake STD 155 1503 who want a dependable ignition coil without paying original-equipment pricing.

Built For Performance

• Cross-references OEM part 420666142 for straightforward replacement
• High-voltage output supports strong, consistent spark under load
• Sealed body resists moisture and spray in marine conditions
• Plug-and-play connectors match the factory wiring harness
• Durable housing handles heat and vibration in the engine bay

Fits These Machines

• for Sea-Doo Wake STD 155 1503, 2017

On-The-Job Use

• Restoring spark on a PWC that cranks but will not fire
• Routine ignition maintenance before the riding season
• Replacing a coil that has cracked or corroded from moisture
• Keeping a spare coil on hand for trailered watercraft

Specs At A Glance

Good To Know

Q: Do I need to replace all coils at once? A: Not always, but replacing the full set on a multi-cylinder engine keeps spark output even across cylinders. If the others are the same age, changing them together can save repeat labor.

Q: How do I know the coil is the problem? A: A weak or dead coil usually causes a misfire, hard starting, or a dead cylinder. Test spark and coil resistance before ordering to confirm the fault is in the coil and not in the plugs or wiring.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.